<div style="position: fixed; top: 0; right: 0; bottom: 0; left: 0; background-color: #fff;">
    <table class="table-center" style="width: 100%; height: 100%; vertical-align: middle; text-align: center;">
        <tr>
            <td>
                <div style=" margin: 0 auto; width: 300px; padding: 20px;background-color: #f2f2f2;">
                    <h2 style="text-align: left; margin: 5px 0;"><span class="fa fa-lock"></span> Đăng nhập</h2>
                    <form action="<?php echo $this->getBaseUrl();?>user/dologin" method="post">
                        <table style="width: 100%; text-align: left;">
                            <colgroup>
                                <col style="width: 100px;">
                                <col>
                            </colgroup>
                            <tr>
                                <td>Tên đăng nhập:</td>
                                <td>
                                    <input type="text" style="width: 100%;" name="username" autocomplete="off" placeholder="Tên đăng nhập" />
                                </td>
                            </tr>
                            <td>Mật khẩu:</td>
                            <td>
                                <input type="password" style="width: 100%;"  name="password" autocomplete="off" placeholder="Mật khẩu" />
                            </td>
                            </tr>
                        </table>

                        <button id="button-submit" type="submit" style="float: left;">Đăng nhập</button>
                    </form>
                    <div class="clear"></div>
                </div>
            </td>
        </tr>
    </table>
</div>